Not cheap, but excellent for larger calibers. - Atlas Bipods PSR Atlas Bipod- Lever with ADM 170-S Lever

I have been looking at this for a couple years and finally spent the money to have it on my .375 CT. Cheaper bipods, even Harris just can't stand up long term with heavy recoiling rifles. Optional leg extensions, plus optional feet make this a solid bipod on nearly any terrain. The ability to fold the legs up to 180 degrees apart from each other makes it ideal for hunting situations when all you have near you is a funky shaped rock and a broken tree limb to rest on. If you are looking for a solid rest that won't fold up or bend every time you pull the trigger, I highly recommend this one.